TY - JOUR AU - Dshalalow, Jewgeni PY - 1988 DA - 1900/01/01 TI - On a duality principle in processes of servicing machines with double control SP - 753297 VL - 1 AB - SN - 2090-3332 UR - https://doi.org/10.1155/S1048953388000176 DO - 10.1155/S1048953388000176 JF - Journal of Applied Mathematics and Simulation PB - Hindawi Publishing Corporation KW - ER -